raid.status

/dev/sdc1:
          Magic : a92b4efc
        Version : 0.90.00
           UUID : 44ecd957:d23c44b1:b6641343:7cc40f45 (local to host oracle)
  Creation Time : Mon Mar 28 00:37:02 2011
     Raid Level : raid5
  Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB)
     Array Size : 5860535808 (5589.04 GiB 6001.19 GB)
   Raid Devices : 4
  Total Devices : 3
Preferred Minor : 0

    Update Time : Sat May 11 01:17:20 2013
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 2
  Spare Devices : 0
       Checksum : 71052be - correct
         Events : 42810

         Layout : left-symmetric
     Chunk Size : 256K

      Number   Major   Minor   RaidDevice State
this     0       8       33        0      active sync   /dev/sdc1

   0     0       8       33        0      active sync   /dev/sdc1
   1     1       0        0        1      faulty removed
   2     2       0        0        2      faulty removed
   3     3       8       81        3      active sync   /dev/sdf1
/dev/sdd1:
          Magic : a92b4efc
        Version : 0.90.00
           UUID : 44ecd957:d23c44b1:b6641343:7cc40f45 (local to host oracle)
  Creation Time : Mon Mar 28 00:37:02 2011
     Raid Level : raid5
  Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB)
     Array Size : 5860535808 (5589.04 GiB 6001.19 GB)
   Raid Devices : 4
  Total Devices : 3
Preferred Minor : 0

    Update Time : Thu May  9 11:52:10 2013
          State : clean
 Active Devices : 3
Working Devices : 3
 Failed Devices : 1
  Spare Devices : 0
       Checksum : 70e445d - correct
         Events : 42785

         Layout : left-symmetric
     Chunk Size : 256K

      Number   Major   Minor   RaidDevice State
this     1       8       49        1      active sync   /dev/sdd1

   0     0       8       33        0      active sync   /dev/sdc1
   1     1       8       49        1      active sync   /dev/sdd1
   2     2       0        0        2      faulty removed
   3     3       8       81        3      active sync   /dev/sdf1
/dev/sde1:
          Magic : a92b4efc
        Version : 0.90.00
           UUID : 44ecd957:d23c44b1:b6641343:7cc40f45 (local to host oracle)
  Creation Time : Mon Mar 28 00:37:02 2011
     Raid Level : raid5
  Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB)
     Array Size : 5860535808 (5589.04 GiB 6001.19 GB)
   Raid Devices : 4
  Total Devices : 4
Preferred Minor : 0

    Update Time : Sat May  4 21:52:22 2013
          State : clean
 Active Devices : 4
Working Devices : 4
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 7080301 - correct
         Events : 35760

         Layout : left-symmetric
     Chunk Size : 256K

      Number   Major   Minor   RaidDevice State
this     2       8       65        2      active sync   /dev/sde1

   0     0       8       33        0      active sync   /dev/sdc1
   1     1       8       49        1      active sync   /dev/sdd1
   2     2       8       65        2      active sync   /dev/sde1
   3     3       8       81        3      active sync   /dev/sdf1
/dev/sdf1:
          Magic : a92b4efc
        Version : 0.90.00
           UUID : 44ecd957:d23c44b1:b6641343:7cc40f45 (local to host oracle)
  Creation Time : Mon Mar 28 00:37:02 2011
     Raid Level : raid5
  Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB)
     Array Size : 5860535808 (5589.04 GiB 6001.19 GB)
   Raid Devices : 4
  Total Devices : 3
Preferred Minor : 0

    Update Time : Sat May 11 01:17:20 2013
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 2
  Spare Devices : 0
       Checksum : 71052f4 - correct
         Events : 42810

         Layout : left-symmetric
     Chunk Size : 256K

      Number   Major   Minor   RaidDevice State
this     3       8       81        3      active sync   /dev/sdf1

   0     0       8       33        0      active sync   /dev/sdc1
   1     1       0        0        1      faulty removed
   2     2       0        0        2      faulty removed
   3     3       8       81        3      active sync   /dev/sdf1